Vulkan natively supports non power-of-two textures so indicate that support for front-end. Bug: angle-project:3239 Test: angle_deqp_gles2_tests --gtest_filter=dEQP.GLES2/functional_texture_completeness_2d_npot_t_repeat --use-angle=vulkan Change-Id: Id9058b6e9afd1d43e5d74612f808ce39beafd35f Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1561963 Commit-Queue: Tim Van Patten <timvp@google.com> Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
